290296860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{691183}}^1$

素因数の和:691202

約数の個数: 48

約数和(自身を含む): 928951296

約数和(自身を除く): 638654436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 691183, 1382366, 2073549, 2764732, 3455915, 4147098, 4838281, 6911830, 8294196, 9676562, 10367745, 13823660, 14514843, 19353124, 20735490, 24191405, 29029686, 41470980, 48382810, 58059372, 72574215, 96765620, 145148430, 290296860]

約数ペア:

[(1, 290296860), (2, 145148430), (3, 96765620), (4, 72574215), (5, 58059372), (6, 48382810), (7, 41470980), (10, 29029686), (12, 24191405), (14, 20735490), (15, 19353124), (20, 14514843), (21, 13823660), (28, 10367745), (30, 9676562), (35, 8294196), (42, 6911830), (60, 4838281), (70, 4147098), (84, 3455915), (105, 2764732), (140, 2073549), (210, 1382366), (420, 691183)]